Mailing List lml@lancaironline.net Message #55626
From: <Sky2high@aol.com>
Sender: <marv@lancaironline.net>
Subject: MKII Tail segue to LNC2 Prop Torque Technique Query
Date: Wed, 07 Jul 2010 12:23:50 -0400
To: <lml@lancaironline.net>
Angier,
 
Depends... If it is a Hartzell with the 4" extension then the bolts are probably headed by castle nuts with a roll pin to keep the head nut in position and the whole assembly is buried in a niche that does not allow a socket to be used.  Usually, one has to use a high quality crow's foot (CF) to torque these down.  High quality means the CF is of sturdy enough construction so the fingers don't spread or round the head nuts (check Snap-on).
 
Or, you can buy Hartzell's special dual headed machine tool steel CF for $300 (uh, 1996 price).
 
BTW, use a new o-ring.
 
Grayhawk
 
In a message dated 7/7/2010 8:32:40 A.M. Central Daylight Time, N4ZQ@comcast.net writes:
Some of you may be amused and greatly relieved to know that I'll not 
be taking a saw to my large tail. I'm happy with the my tail is bigger 
than your tail thing. :-)

My prop is coming off for the last time this week so that I can do a 
final check of the dual Lightspeed ignititon.
I'd appreciate any feedback on the correct method for torquing the 
prop bolts and whether special tools are required.

Thanks,

Angier Ames
N4ZQ

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